{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487028014",
    "entityType": "User",
    "nonce": "0xdbab8c6ebcf06509912effdd56178362f05082f12030c14895224664009c500e",
    "signature": "0x5c11209cb03cca65644c1aca4fc4071785d850656a3d0dff37400dad64ccdf022698a8948e7fc6346c869dfc547116049d443c006b72c56045e48a9006859e6e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}